In Zone 6, the minimum required RSI insulation value for above ground exterior walls (2”x6”@16”) in a SFD without a HRV is ______.
Code Reference:
Table 9.36.2.6.-A
Effective Thermal Resistance of Above-ground Opaque Assemblies in Buildings without a Heat-Recovery Ventilator
Forming Part of Sentence 9.36.2.6.(1)
| Above-ground Opaque Building Assembly | Healing Degree-Days of Building Location,(1) in Celsius Degree- Days | |||||
|---|---|---|---|---|---|---|
|
Zone 4 <3000 |
Zone 5 3000 to 3999 |
Zone 6 4000 to 4999 |
Zone 7A 5000 to 5999 |
Zone 7B 6000 to 6999 |
Zone 8 ≥ 7000 |
|
| Minimum Effective Thermal Resistance (RSI), (m2-K)/W | ||||||
| Ceiling below attics | 6.91 | 8.67 | 8.67 | 10.43 | 10.43 | 10.43 |
| Cathedral ceilings and flat roofs | 4.67 | 4.67 | 4.67 | 5.02 | 5.02 | 5.02 |
| Walls (2) | 2.78 | 3.08 | 3.08 | 3.08 | 3.85 | 3.85 |
| Floors over unheated spaces | 4.67 | 4.67 | 4.67 | 5.02 | 5.02 | 5.02 |
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